PlainVitamins

SPM 500 mg

by Double Wood Supplements · softgel capsule · 120 softgels

  • On the market (NIH)
  • UPC 8 50033 27238 3
  • DSLD label 315698
  • Serving 1 softgel
  • 120 servings

SPM 500 mg by Double Wood Supplements lists 3 ingredients, 1 with an amount per serving of 1 softgel, such as 500 mg of marine lipid concentrate; 2 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on October 24, 2024.

What is in SPM 500 mg?

Each row as the label prints it, per serving of 1 softgel. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

SPM 500 mg: Supplement Facts rows against the market (DSLD label 315698, January 2026 release)
IngredientAmount% DVAmong products listing it
Specialized Pro Resolving Mediators250 mcg
Resolvin D5in the blend, no amount given
Protectin DXin the blend, no amount given
17-Hydroxy-Docosahexaenoic Acidin the blend, no amount given
Marine Lipid ConcentrateBiotransformed500 mgFish Oil in SPM 500 mg against 1,990 products0.5 g per serving; the middle half of products list 1 g to 2 g, the median 1.2 g.0.5 g

85% of 1,990 products listing fish oil give more (median 1.2 g).

Source: NIH ODS Dietary Supplement Label Database, label 315698 (entered October 24, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient; 2 ingredients sit inside a blend, so their amounts cannot be compared.

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

The products whose ingredient lists overlap most with SPM 500 mg's, rare ingredients counting for more.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested Use: As a dietary supplement take 1 serving per day, with or without food.
Warnings
Allergen Warning, Contains: Soy, Fish (Anchovies)
Warning: Consult your physician before use.
Do not use Specialized Pro-Resolving Mediators if you are pregnant, nursing, or under 18 years of age.
Discontinue use and consult your doctor immediately if any adverse reactions occur. Do not use Specialized Pro-Resolving Mediators and operate heavy machinery until you know how it affects you.
Keep out of reach of children.
Do not exceed 4 softgels per day.
Allergens and what it does not contain
Made with Non-GMO Ingredients Gluten Free
Storage
Storage: Store in a cool, dark place. Do not freeze or expose to moisture or heat above room temperature after opening.

Source: label statements in DSLD label 315698.

What else is on the label?

Other ingredients: Gelatin, Glycerin, Water, Lemon Flavor, Natural, D-Alpha Tocopherol, Soy.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Proudly Manufactured in the USA.

How many labels does SPM 500 mg have?

One label is on file, entered on October 24, 2024.

  1. Label 315698 (current) Entered October 24, 2024 · on the market · 120 softgels · UPC 8 50033 27238 3

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Double Wood LLC (distributor), Sharon Hill, PA, United States. All Double Wood Supplements products.

Where next?